Costa, Wallace
Current rating: 1693
Record: 33-23-2
| Regional Championships Sao Paulo 2023 Cycle 4 (pioneer) | starting rating: 1668 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 80 | Saporito, Thiago (1945) | Won 2-0 | +231691 |
| 2pioneer | 12 | Rezende, Hugo (1518) | Won 2-0 | +151706 |
| 3pioneer | 16 | Borges, Xandre (1540) | Lost 1-2 | -211685 |
| 4pioneer | 23 | Rossello Lima, Luis Felippe (1575) | Lost 1-2 | -201665 |
| 5pioneer | 31 | Dias, Otavio (1507) | Lost 1-2 | -211644 |
| 6pioneer | 45 | Soares Costa, Fabiano (1480) | Won 2-0 | +151659 |
| 7pioneer | 36 | Silva Silvinha, Rafael (1514) | Won 2-0 | +151674 |
| 8pioneer | 33 | Martinez, Gabriel (1678) | Won 2-0 | +191693 |
| top | average opponent: 1595record: 5-3 | new rating: 1693 | ||
| Regional Championships Sao Paulo 2023 Cycle 3 (pioneer) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 47 | Nepomuceno, Christian Felipe (1578) | Lost 1-2 | -191600 |
| 2pioneer | 55 | Bellezza, Emmanuel (1486) | Won 2-0 | +161616 |
| 3pioneer | 56 | Naldi, Murilo (1450) | Won 2-0 | +151631 |
| 4pioneer | 22 | dos Santos Pinto, Paulo Henrique (1723) | Lost 1-2 | -161615 |
| 5pioneer | 33 | Rossello Lima, Luis Felippe (1575) | Won 2-1 | +171632 |
| 6pioneer | 27 | Vidotto da Rocha, Andre Luis (1519) | Won 2-1 | +161648 |
| 7pioneer | 15 | Karam, Vinicius (1800) | Won 2-0 | +211669 |
| 8pioneer | 16 | Da Silva, Gabriel Felipe (1631) | Draw 0-0 | -11668 |
| top | average opponent: 1595record: 5-2-1 | new rating: 1668 | ||
| Regional Championships Sao Paulo 2023 (ONE standard) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 24 | Paes, Joao (1521) | Won 2-1 | +171605 |
| 2standard | 24 | Sapiras, Armando (1728) | Won 2-1 | +201625 |
| 3standard | 9 | Melo, Adriano (1526) | Lost 0-2 | -201605 |
| 4standard | 10 | Laraia, Andre (1541) | Won 2-1 | +171622 |
| 5standard | 16 | Lisboa, Fernando (1548) | Lost 0-2 | -191603 |
| 6standard | 42 | Karim Bueno, Alexandre (1510) | Won 2-1 | +161619 |
| 7standard | 51 | Fialho, Joao (1641) | Won 2-0 | +191638 |
| 8standard | 61 | Emar, Fellipe (1601) | Lost 0-2 | -191619 |
| top | average opponent: 1577record: 5-3 | new rating: 1619 | ||
| Regional Championships Sao Paulo 2022 (pioneer) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 42 | Timm Toniazzo, Vinicius (1411) | Won 2-1 | +151548 |
| 2pioneer | 35 | Sapiras, Armando (1698) | Draw 1-1 | +31551 |
| 3pioneer | 24 | Pettersen Forattini, Matheus (1655) | Won 2-1 | +201571 |
| 4pioneer | 12 | Araujo Gontijo, Allan (1480) | Won 2-0 | +161587 |
| 5pioneer | 7 | Rufino, Rafael (1619) | Won 2-0 | +191606 |
| 6pioneer | 4 | Gaebler, Guilherme (1537) | Lost 1-2 | -191587 |
| 7pioneer | 11 | Cesar, Eduardo (1565) | Lost 1-2 | -191568 |
| 8pioneer | 21 | Dannemann, Joao Manoel (1682) | Won 2-0 | +201588 |
| top | average opponent: 1581record: 5-2-1 | new rating: 1588 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 202 | Lucero, Fabian (1522) | Won 2-0 | +181514 |
| 4modern | 102 | de Jesus Freitas, Marcos Paulo (1800) | Won 2-1 | +241538 |
| 5modern | 6 | Monteiro, Rodrigo (1538) | Won 2-0 | +181556 |
| 6modern | 10 | Luiz, Kevan (1574) | Won 2-0 | +181574 |
| 7modern | 13 | Fernandes, Patrick (1734) | Won 2-1 | +211595 |
| 8modern | 3 | Andrade De Souza, Wesley (1567) | Lost 1-2 | -191576 |
| 9modern | 26 | Tapia Montano, Cristian (1575) | Lost 1-2 | -181558 |
| 10modern | 52 | Silva Rocha, Bruno (1727) | Won 2-1 | +211579 |
| 11modern | 16 | Souza Santos Filho, Silvio Cesar De (1688) | Won 2-1 | +201599 |
| 12modern | 20 | Akio Yanagiura, Matheus (1789) | Lost 1-2 | -141585 |
| 13modern | 40 | Monschau Pigatto, Fernando (1619) | Lost 1-2 | -181567 |
| 14modern | 61 | De Oliveira Tavares, Tiago (1553) | Lost 1-2 | -181549 |
| 15modern | 53 | Alberto, Felipe (1633) | Lost 1-2 | -161533 |
| top | average opponent: 1640record: 7-6 | new rating: 1533 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 228 | Botelho, Juliano (1529) | Won 2-1 | +191519 |
| 4modern | 92 | De Azevedo Ramos, Rennan (1508) | Won 2-0 | +171536 |
| 5modern | 33 | Fricke, Bruno (1382) | Won 2-1 | +161552 |
| 6modern | 4 | Pincelli, Felipe (1580) | Lost 1-2 | -181534 |
| 7modern | 42 | Zaghi, Rafael (1879) | Lost 0-2 | -121522 |
| 8modern | 131 | Diangelis da Silva, Max (1573) | Won 2-0 | +191541 |
| 9modern | 109 | Tostes Lemos, Rodolfo (1578) | Lost 0-2 | -171524 |
| 10modern | 104 | Akira Matsunaga, Rafael (1524) | Won 2-1 | +181542 |
| 11modern | 55 | Maldonado, Joaquin (1594) | Lost 0-2 | -171525 |
| 12modern | 76 | Santos, Brunno (1567) | Lost 0-2 | -181507 |
| 13modern | 102 | Ganev, Diego (1635) | Won 2-1 | +211528 |
| 14modern | 73 | Burghardt Amaral, Caio Sergio (1634) | Lost 1-2 | -161512 |
| 15modern | 80 | Chiappa, Renzo (1639) | Lost 0-2 | -161496 |
| top | average opponent: 1586record: 6-7 | new rating: 1496 | ||